Hemoglobin molecule - Study guides, Class notes & Summaries

The largest vein in an animal's body is: - Answer- vena cava If immature neutrophils are observed in peripheral blood, the condition is called a: - Answer- left shift What type of cell is responsible for immunity against intracellular pathogens? - Answer- T-Lymphocytes The ductus arteriousus in a fetus allows blood to flow directly: - Answer- into the aorta from the pulmonary artery During hemostasis, which process occurs first? - Answer- Platelet adhesion Jaundice (icterus) coul...

UNE Medical Biochemistry Midterm Review Already Graded A A family presents for genetic counseling. The couple has two female children who are alive and well; however, their infant son recently died in the nursery with severe hemolysis (lysis of red blood cells) and jaundice. The wife recalls she lost a brother in infancy with severe hemolysis, induced after a viral infection. The physician suspects a glucose-6-phosphate dehydrogenase deficiency, this would result in a deficiency in which of the...

When erythrocytes are destroyed, which of the following events occurs? The globin portion of the molecule is broken down into amino acids. Type AB blood has both A and B antigens on the red cells In the platelet release reaction, ADP and thromboxanes stimulate other platelets to become activated. The hematocrit is d. the percentage of RBCs in a given volume of blood. What vitamin is necessary to produce many clotting factors in the liver? Vitamin K A white blood cell engulfing a bacterium...

Describe the structure and function of each mature blood cell : RBC: -lacks a nucleus, mitochondria, and ribosomes -contains water, hemoglobin, and other structural elements -biconcave disk -transport oxygen to tissues -transport carbon dioxide to lungs -maintain cell shape and deformability WBC: -larger than RBC 5 types: -granulocytes 2 | P a g e basophils, neutrophils, eosinophils -agranulocytes lymphocytes and monocytes -provide defense for body against foreign invaders -pha...

WGU Biochemistry OA 2022/2023 Questions With Answers. Amino Acid backbone consists of Ans - 1. amino group 2. carboxyl group 3. alpha carbon 4. R group Amino group: looks likes/consists of Ans - NH3+ Carboxyl group looks like/consists of Ans - cooAlpha carbon looks like/consists of Ans - CH The three Amino acid categories Ans - 1. hydrophobic (nonpolar) 2. polar 3. charged Hydrophobic Amino Acids Ans - non polar afraid of h20 usually in the middle/core of the protein contains H + C...

ligand - Is the word for a drug or a bio molecule a molecule that is reversibly bound to a protein, examples oxygen, endogenous neurotransmitters, hormones, drug molecules Binding site - A discrete portion of the protein that is complementary to the ligand in: - Shape and size - Charge distribution - Hydrophobic and hydrophilic regions ***Is involved in specific interaction, certain structural features must be present on the ligand for binding Induced fit - A complementary conformationa...

ABOR PER: Hematology Questions and Answers 2024 What is hemoglobin composed of? - Ans ️️ -4 heme, 4 iron, 1 globin What disorder does a defect in heme synthesis lead to? - Ans ️️ -porphyria What is the function of the enzyme methemoglobin-cytochrome C reductase in a red blood cell? - Ans ️️ -to keep iron in the ferrous state Which hemoglobin has a 200 times greater binding capacity for the hemoglobin molecule than oxygen? - Ans ️️ -carboxyhemoglobin What product is formed ...

a ______ binds at a specific site on the protein called the ___________ correct answers ligand, binding site the binding of a ligand may cause __________ in the protein correct answers a conformational change the amount of oxygen can ________ correct answers limit an organisms size oxygen is poorly soluble in ______ correct answers aqueous solutions myoglobin correct answers monomeric protein hemoglobin correct answers tetrameric protein myoglobin is an example of ______ correc...

A 32-year-old man is complaining of burning, itching, photophobia, and severe pain in his right eye after swimming in the ocean. To determine that the eye condition is corneal rather than a conjunctival disease, which of the following would be the distinguishing symptom? A.) Burning B.) Itching c.) photophobia D.) Severe pain - Severe pain A woman with a diagnosis of type 2 diabetes has been ordered by her primary care provider to have a hemoglobin A1C test for the first time. The woman ...

The primary source of RBCs in the adult human being is the bone marrow in the shafts of the long bones. - Answer-false Leukemia refers to cancerous conditions of white blood cells. - Answer-true The immediate response to blood vessel injury is clotting - Answer-false The process of fibrinolysis disposes of bacteria when healing has occurred - Answer-false The RBC "graveyard" is the liver. - Answer-false Hemorrhagic anemias result from blood loss - Answer-true White blood cells are produ...